Home / 130,811,086.40-196,216,629.60-118,694,231.60

Finding the Fourth Proportional to 130,811,086.40, 196,216,629.60 and 118,694,231.60

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Solution

The fourth proportional to 130,811,086.40, 196,216,629.60 and 118,694,231.60 is: 178,041,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,811,086.40 : 196,216,629.60 = 118,694,231.60 : x
  2. Step 2: Convert to fraction form
    130,811,086.40/196,216,629.60 = 118,694,231.60/x
  3. Step 3: Cross multiply
    130,811,086.40x = 196,216,629.60 × 118,694,231.60
  4. Step 4: Simplify right side
    130,811,086.40x = 23,289,782,077,513,812
  5. Step 5: Solve for x
    x = 23,289,782,077,513,812/130,811,086.40
  6. Step 6: Final answer
    x = 178,041,347.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.